Mercurial > hg > ucis.core

annotate USBLib/Communication/VBoxUSB.cs @ 67:2d16447eff12

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Simplified USB communication code, added functions to abort pipe transfers
author Ivo Smits <Ivo@UCIS.nl>
date Wed, 16 Oct 2013 01:11:49 +0200
parents 99ed461509fe
children
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57
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1 ???using System;
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2 using System.Collections.Generic;
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3 using System.ComponentModel;
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4 using System.Runtime.InteropServices;
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5 using System.Text;
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6 using System.Threading;
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7 using Microsoft.Win32.SafeHandles;
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8 using UCIS.HWLib.Windows.Devices;
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9 using UCIS.USBLib.Communication;
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10 using UCIS.USBLib.Communication.WinUsb;
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11 using UCIS.USBLib.Internal.Windows;
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12
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13 namespace UCIS.USBLib.Communication.VBoxUSB {
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14 enum USBFILTERTYPE : int {
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15 USBFILTERTYPE_INVALID = 0,
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16 USBFILTERTYPE_FIRST,
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17 USBFILTERTYPE_ONESHOT_IGNORE = USBFILTERTYPE_FIRST,
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18 USBFILTERTYPE_ONESHOT_CAPTURE,
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19 USBFILTERTYPE_IGNORE,
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20 USBFILTERTYPE_CAPTURE,
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21 USBFILTERTYPE_END,
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22 }
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23 enum USBFILTERMATCH : ushort {
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24 USBFILTERMATCH_INVALID = 0,
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25 USBFILTERMATCH_IGNORE,
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26 USBFILTERMATCH_PRESENT,
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27 USBFILTERMATCH_NUM_FIRST,
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28 USBFILTERMATCH_NUM_EXACT = USBFILTERMATCH_NUM_FIRST,
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29 USBFILTERMATCH_NUM_EXACT_NP,
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30 USBFILTERMATCH_NUM_EXPRESSION,
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31 USBFILTERMATCH_NUM_EXPRESSION_NP,
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32 USBFILTERMATCH_NUM_LAST = USBFILTERMATCH_NUM_EXPRESSION_NP,
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33 USBFILTERMATCH_STR_FIRST,
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34 USBFILTERMATCH_STR_EXACT = USBFILTERMATCH_STR_FIRST,
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35 USBFILTERMATCH_STR_EXACT_NP,
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36 USBFILTERMATCH_STR_PATTERN,
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37 USBFILTERMATCH_STR_PATTERN_NP,
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38 USBFILTERMATCH_STR_LAST = USBFILTERMATCH_STR_PATTERN_NP,
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39 USBFILTERMATCH_END = 11
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40 }
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41 enum USBFILTERIDX : int {
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42 USBFILTERIDX_VENDOR_ID = 0,
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43 USBFILTERIDX_PRODUCT_ID,
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44 USBFILTERIDX_DEVICE_REV,
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45 USBFILTERIDX_DEVICE_CLASS,
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46 USBFILTERIDX_DEVICE_SUB_CLASS,
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47 USBFILTERIDX_DEVICE_PROTOCOL,
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48 USBFILTERIDX_BUS,
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49 USBFILTERIDX_PORT,
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50 USBFILTERIDX_MANUFACTURER_STR,
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51 USBFILTERIDX_PRODUCT_STR,
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52 USBFILTERIDX_SERIAL_NUMBER_STR,
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53 USBFILTERIDX_END = 11
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54 }
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55 [StructLayout(LayoutKind.Sequential, Size = 4)]
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56 struct USBFILTERFIELD {
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57 public USBFILTERMATCH enmMatch;
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58 public UInt16 u16Value;
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59 }
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60 [StructLayout(LayoutKind.Sequential)]
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61 unsafe struct USBFILTER {
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62 public UInt32 u32Magic;
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63 public USBFILTERTYPE enmType;
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64 public fixed UInt32 aFields[(int)USBFILTERIDX.USBFILTERIDX_END];
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65 public UInt32 offCurEnd;
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66 public fixed Byte achStrTab[256];
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67
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68 const UInt32 USBFILTER_MAGIC = 0x19670408;
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69 public unsafe USBFILTER(USBFILTERTYPE enmType)
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70 : this() {
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71 u32Magic = USBFILTER_MAGIC;
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72 this.enmType = enmType;
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73 fixed (UInt32* aFieldsBytes = this.aFields) {
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74 USBFILTERFIELD* aFields = (USBFILTERFIELD*)aFieldsBytes;
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75 for (int i = 0; i < (int)USBFILTERIDX.USBFILTERIDX_END; i++)
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76 aFields[i].enmMatch = USBFILTERMATCH.USBFILTERMATCH_IGNORE;
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77 }
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78 }
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79 static Boolean IsNumericField(USBFILTERIDX enmFieldIdx) {
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80 switch (enmFieldIdx) {
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81 case USBFILTERIDX.USBFILTERIDX_VENDOR_ID:
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82 case USBFILTERIDX.USBFILTERIDX_PRODUCT_ID:
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83 case USBFILTERIDX.USBFILTERIDX_DEVICE_REV:
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84 case USBFILTERIDX.USBFILTERIDX_DEVICE_CLASS:
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85 case USBFILTERIDX.USBFILTERIDX_DEVICE_SUB_CLASS:
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86 case USBFILTERIDX.USBFILTERIDX_DEVICE_PROTOCOL:
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87 case USBFILTERIDX.USBFILTERIDX_BUS:
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88 case USBFILTERIDX.USBFILTERIDX_PORT:
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89 return true;
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90 case USBFILTERIDX.USBFILTERIDX_MANUFACTURER_STR:
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91 case USBFILTERIDX.USBFILTERIDX_PRODUCT_STR:
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92 case USBFILTERIDX.USBFILTERIDX_SERIAL_NUMBER_STR:
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93 return false;
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94 default:
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95 throw new ArgumentOutOfRangeException("enmFieldIdx");
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96 }
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97 }
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98 static Boolean IsMethodUsingStringValue(USBFILTERMATCH enmMatchingMethod) {
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99 switch (enmMatchingMethod) {
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100 case USBFILTERMATCH.USBFILTERMATCH_NUM_EXPRESSION:
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101 case USBFILTERMATCH.USBFILTERMATCH_NUM_EXPRESSION_NP:
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102 case USBFILTERMATCH.USBFILTERMATCH_STR_EXACT:
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103 case USBFILTERMATCH.USBFILTERMATCH_STR_EXACT_NP:
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104 case USBFILTERMATCH.USBFILTERMATCH_STR_PATTERN:
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105 case USBFILTERMATCH.USBFILTERMATCH_STR_PATTERN_NP:
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106 return true;
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107 case USBFILTERMATCH.USBFILTERMATCH_IGNORE:
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108 case USBFILTERMATCH.USBFILTERMATCH_PRESENT:
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109 case USBFILTERMATCH.USBFILTERMATCH_NUM_EXACT:
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110 case USBFILTERMATCH.USBFILTERMATCH_NUM_EXACT_NP:
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111 return false;
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112 default:
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113 throw new ArgumentOutOfRangeException("enmMatchingMethod");
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114 }
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115 }
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116 static unsafe int strlen(byte* ptr) {
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117 for (int length = 0; ; length++) if (ptr[length] != 0) return length;
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118 }
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119 static unsafe void memset(void* ptr, byte value, int count) {
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120 for (int i = 0; i < count; i++) ((byte*)ptr)[i] = value;
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121 }
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122 static unsafe void memmove(void* dest, void* src, int count) {
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123 if (dest > src) {
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124 for (int i = count - 1; i >= 0; i--) ((byte*)dest)[i] = ((byte*)src)[i];
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125 } else if (dest < src) {
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126 for (int i = 0; i < count; i++) ((byte*)dest)[i] = ((byte*)src)[i];
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127 }
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128 }
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129 public unsafe void SetString(USBFILTERIDX enmFieldIdx, Byte[] pszString) {
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130 fixed (USBFILTER* pFilter = &this) {
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131 USBFILTERFIELD* aFields = (USBFILTERFIELD*)pFilter->aFields;
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132 if (IsMethodUsingStringValue((USBFILTERMATCH)aFields[(int)enmFieldIdx].enmMatch) && aFields[(int)enmFieldIdx].u16Value != 0) {
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133 int off = aFields[(int)enmFieldIdx].u16Value;
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134 aFields[(int)enmFieldIdx].u16Value = 0; /* Assign it to the NULL string. */
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135 int cchShift = strlen(&pFilter->achStrTab[off]) + 1;
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136 int cchToMove = ((int)offCurEnd + 1) - (off + cchShift);
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137 if (cchToMove > 0) {
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138 memmove(&pFilter->achStrTab[off], &pFilter->achStrTab[off + cchShift], cchToMove);
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139 for (int i = 0; i < (int)USBFILTERIDX.USBFILTERIDX_END; i++)
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140 if (aFields[i].u16Value >= off && IsMethodUsingStringValue(aFields[i].enmMatch))
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141 aFields[i].u16Value -= (ushort)cchShift;
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142 }
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143 offCurEnd -= (uint)cchShift;
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144 memset(&pFilter->achStrTab[offCurEnd], 0, cchShift);
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145 }
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146 if (pszString.Length == 0) {
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147 aFields[(int)enmFieldIdx].u16Value = 0;
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148 } else {
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149 int cch = pszString.Length;
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150 if (this.offCurEnd + cch + 2 > 256) throw new IndexOutOfRangeException("Buffer overflow");
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151 aFields[(int)enmFieldIdx].u16Value = (ushort)(this.offCurEnd + 1);
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152 for (int i = 0; i < cch + 1; i++) pFilter->achStrTab[offCurEnd + 1 + i] = pszString[i];
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153 offCurEnd += (uint)cch + 1;
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154 }
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155 }
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156 }
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157 unsafe void DeleteAnyStringValue(USBFILTERIDX enmFieldIdx) {
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158 fixed (USBFILTER* pFilter = &this) {
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159 USBFILTERFIELD* aFields = (USBFILTERFIELD*)pFilter->aFields;
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160 if (IsMethodUsingStringValue((USBFILTERMATCH)aFields[(int)enmFieldIdx].enmMatch) && aFields[(int)enmFieldIdx].u16Value != 0)
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161 SetString(enmFieldIdx, new Byte[0]);
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162 else if (enmFieldIdx >= USBFILTERIDX.USBFILTERIDX_END)
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163 throw new ArgumentOutOfRangeException("enmFieldIdx");
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164 }
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165 }
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166 public unsafe void SetNumExact(USBFILTERIDX enmFieldIdx, UInt16 u16Value, bool fMustBePresent) {
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167 if (!IsNumericField(enmFieldIdx)) throw new ArgumentOutOfRangeException("enmFieldIdx");
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168 DeleteAnyStringValue(enmFieldIdx);
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169 fixed (USBFILTER* pFilter = &this) {
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170 USBFILTERFIELD* aFields = (USBFILTERFIELD*)pFilter->aFields;
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171 aFields[(int)enmFieldIdx].u16Value = u16Value;
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172 aFields[(int)enmFieldIdx].enmMatch = fMustBePresent ? USBFILTERMATCH.USBFILTERMATCH_NUM_EXACT : USBFILTERMATCH.USBFILTERMATCH_NUM_EXACT_NP;
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173 }
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174 }
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175 }
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176 [StructLayout(LayoutKind.Sequential, Pack = 4)]
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177 struct USBSUP_FLTADDOUT {
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178 public IntPtr uId;
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179 public int rc;
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180 }
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181 [StructLayout(LayoutKind.Sequential)]
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182 struct USBSUP_VERSION {
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183 public UInt32 u32Major;
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184 public UInt32 u32Minor;
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185 }
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186 [StructLayout(LayoutKind.Sequential)]
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187 struct USBSUP_CLAIMDEV {
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188 public Byte bInterfaceNumber;
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189 public Byte fClaimed;
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190 }
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191 [StructLayout(LayoutKind.Sequential)]
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192 struct USBSUP_CLEAR_ENDPOINT {
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193 public Byte bEndpoint;
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194 }
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195 [StructLayout(LayoutKind.Sequential)]
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196 struct USBSUP_SET_CONFIG {
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197 public Byte bConfigurationValue;
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198 }
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199 [StructLayout(LayoutKind.Sequential)]
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200 struct USBSUP_SELECT_INTERFACE {
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201 public Byte bInterfaceNumber;
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202 public Byte bAlternateSetting;
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203 }
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204 enum USBSUP_TRANSFER_TYPE : int {
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205 USBSUP_TRANSFER_TYPE_CTRL = 0,
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206 USBSUP_TRANSFER_TYPE_ISOC = 1,
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207 USBSUP_TRANSFER_TYPE_BULK = 2,
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208 USBSUP_TRANSFER_TYPE_INTR = 3,
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209 USBSUP_TRANSFER_TYPE_MSG = 4
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210 }
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211 enum USBSUP_DIRECTION : int {
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212 USBSUP_DIRECTION_SETUP = 0,
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213 USBSUP_DIRECTION_IN = 1,
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214 USBSUP_DIRECTION_OUT = 2
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215 }
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216 enum USBSUP_XFER_FLAG : int {
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217 USBSUP_FLAG_NONE = 0,
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218 USBSUP_FLAG_SHORT_OK = 1
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219 }
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220 enum USBSUP_ERROR : int {
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221 USBSUP_XFER_OK = 0,
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222 USBSUP_XFER_STALL = 1,
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223 USBSUP_XFER_DNR = 2,
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224 USBSUP_XFER_CRC = 3,
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225 USBSUP_XFER_NAC = 4,
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226 USBSUP_XFER_UNDERRUN = 5,
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227 USBSUP_XFER_OVERRUN = 6
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228 }
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229 [StructLayout(LayoutKind.Sequential, Pack = 4)]
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230 unsafe struct USBSUP_URB {
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231 public USBSUP_TRANSFER_TYPE type;
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232 public UInt32 ep;
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233 public USBSUP_DIRECTION dir;
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234 public USBSUP_XFER_FLAG flags;
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235 public USBSUP_ERROR error;
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236 public UIntPtr len;
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237 public void* buf;
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238 public UInt32 numIsoPkts;
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239 public fixed byte aIsoPkts[8 * 8];
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240 }
60
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241 class USBRegistry : IUsbDeviceRegistry {
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242 public DeviceNode DeviceNode { get; private set; }
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243 public String DevicePath { get; private set; }
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244 public String DeviceID { get; private set; }
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245 public String SymbolicName { get { return DevicePath; } }
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246 private UCIS.HWLib.Windows.USB.UsbDevice usbdev = null;
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247 private Boolean hasDeviceDescriptor = false;
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248 private UCIS.USBLib.Descriptor.UsbDeviceDescriptor deviceDescriptor;
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249 private IDictionary<string, object> mDeviceProperties;
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250 public UCIS.HWLib.Windows.USB.UsbDevice USBDevice {
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251 get {
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252 if (usbdev == null) usbdev = UCIS.HWLib.Windows.USB.UsbDevice.GetUsbDevice(DeviceNode);
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253 return usbdev;
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254 }
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255 }
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256 public UCIS.USBLib.Descriptor.UsbDeviceDescriptor DeviceDescriptor {
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257 get {
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258 if (!hasDeviceDescriptor) deviceDescriptor = UCIS.USBLib.Descriptor.UsbDeviceDescriptor.FromDevice(USBDevice);
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259 return deviceDescriptor;
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260 }
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261 }
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262 public IDictionary<string, object> DeviceProperties {
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263 get {
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264 if (mDeviceProperties == null) mDeviceProperties = SetupApi.GetSPDRPProperties(DeviceNode);
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265 return mDeviceProperties;
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266 }
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267 }
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268
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269 internal USBRegistry(DeviceNode device, String interfacepath) {
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270 DeviceNode = device;
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271 DeviceID = device.DeviceID;
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272 DevicePath = interfacepath;
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273 }
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274
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275 public UInt16 Vid { get { return DeviceDescriptor.VendorID; } }
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276 public UInt16 Pid { get { return DeviceDescriptor.ProductID; } }
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277 public byte InterfaceID { get { return 0; } }
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278
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279 public string Name { get { return DeviceNode.GetPropertyString(CMRDP.DEVICEDESC); } }
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280 public string Manufacturer { get { return DeviceNode.GetPropertyString(CMRDP.MFG); } }
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281 public string FullName {
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282 get {
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283 String desc = Name;
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284 String mfg = Manufacturer;
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285 if (mfg == null) return desc;
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286 if (desc == null) return mfg;
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287 return mfg + " - " + desc;
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288 }
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289 }
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290
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291 public IUsbDevice Open() { return new VBoxUSB(this); }
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292 }
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293
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294 public class VBoxUSB : UsbInterface, IUsbDevice {
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295 const int FILE_DEVICE_UNKNOWN = 0x00000022;
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296 const int METHOD_BUFFERED = 0;
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297 const int FILE_WRITE_ACCESS = 0x0002;
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298 static int CTL_CODE(int DeviceType, int Function, int Method, int Access) { return (DeviceType << 16) | (Access << 14) | (Function << 2) | Method; }
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299 static readonly int SUPUSBFLT_IOCTL_ADD_FILTER = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x611, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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300 static readonly int SUPUSBFLT_IOCTL_RUN_FILTERS = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x615, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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301 static readonly int SUPUSBFLT_IOCTL_REMOVE_FILTER = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x612, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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302 static readonly int SUPUSBFLT_IOCTL_GET_VERSION = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x610, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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303 static readonly int SUPUSB_IOCTL_GET_VERSION = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x60F, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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304 static readonly int SUPUSB_IOCTL_USB_CLAIM_DEVICE = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x60B, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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305 static readonly int SUPUSB_IOCTL_USB_RELEASE_DEVICE = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x60C, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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306 static readonly int SUPUSB_IOCTL_USB_RESET = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x608, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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307 static readonly int SUPUSB_IOCTL_USB_CLEAR_ENDPOINT = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x60E, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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308 static readonly int SUPUSB_IOCTL_USB_SET_CONFIG = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x60A, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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309 static readonly int SUPUSB_IOCTL_USB_SELECT_INTERFACE = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x609, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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310 static readonly int SUPUSB_IOCTL_SEND_URB = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x607, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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311 static readonly int SUPUSB_IOCTL_USB_ABORT_ENDPOINT = CTL_CODE(FILE_DEVICE_UNKNOWN, 0x610, METHOD_BUFFERED, FILE_WRITE_ACCESS);
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312
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313 const UInt32 USBDRV_MAJOR_VERSION = 4;
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314 const UInt32 USBDRV_MINOR_VERSION = 0;
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315 const UInt32 USBMON_MAJOR_VERSION = 5;
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316 const UInt32 USBMON_MINOR_VERSION = 0;
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317
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318 static SafeFileHandle hMonitor = null;
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319 const String USBMON_DEVICE_NAME = "\\\\.\\VBoxUSBMon";
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320
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321 static unsafe int SyncIoControl(SafeHandle hDevice, int IoControlCode, void* InBuffer, int nInBufferSize, void* OutBuffer, int nOutBufferSize, Boolean throwError) {
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322 Int32 pBytesReturned = 0;
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323 if (Kernel32.DeviceIoControl(hDevice, IoControlCode, InBuffer, nInBufferSize, OutBuffer, nOutBufferSize, out pBytesReturned, null)) return 0;
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324 int ret = Marshal.GetLastWin32Error();
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325 if (throwError) throw new Win32Exception(ret);
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326 return ret;
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327 }
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328 static unsafe void SyncIoControl(SafeHandle hDevice, int IoControlCode, void* InBuffer, int nInBufferSize, void* OutBuffer, int nOutBufferSize) {
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329 SyncIoControl(hDevice, IoControlCode, InBuffer, nInBufferSize, OutBuffer, nOutBufferSize, true);
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330 }
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331
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332 unsafe static void InitMonitor() {
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333 if (hMonitor != null && !hMonitor.IsClosed && !hMonitor.IsInvalid) return;
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334 hMonitor = Kernel32.CreateFile(USBMON_DEVICE_NAME, Kernel32.GENERIC_READ | Kernel32.GENERIC_WRITE, Kernel32.FILE_SHARE_READ | Kernel32.FILE_SHARE_WRITE, IntPtr.Zero, Kernel32.OPEN_EXISTING, Kernel32.FILE_ATTRIBUTE_SYSTEM, IntPtr.Zero);
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335 if (hMonitor.IsInvalid) throw new Win32Exception(Marshal.GetLastWin32Error());
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336 try {
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337 USBSUP_VERSION Version = new USBSUP_VERSION();
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338 SyncIoControl(hMonitor, SUPUSBFLT_IOCTL_GET_VERSION, null, 0, &Version, sizeof(USBSUP_VERSION));
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339 if (Version.u32Major != USBMON_MAJOR_VERSION || Version.u32Minor < USBMON_MINOR_VERSION) throw new InvalidOperationException("Unsupported USBMON version");
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340 } catch {
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341 hMonitor.Close();
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342 }
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343 }
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344
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345 static unsafe IntPtr USBLibAddFilter(ref USBFILTER filter) {
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346 USBSUP_FLTADDOUT FltAddRc;
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347 fixed (USBFILTER* pFilter = &filter) SyncIoControl(hMonitor, SUPUSBFLT_IOCTL_ADD_FILTER, pFilter, sizeof(USBFILTER), &FltAddRc, sizeof(USBSUP_FLTADDOUT));
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348 if (FltAddRc.rc != 0) throw new Exception(String.Format("rc={0}", FltAddRc.rc));
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349 return FltAddRc.uId;
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350 }
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351 static unsafe void USBLibRemoveFilter(UIntPtr filterId) {
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352 SyncIoControl(hMonitor, SUPUSBFLT_IOCTL_REMOVE_FILTER, &filterId, sizeof(UIntPtr), null, 0);
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353 }
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354 static unsafe void USBLibRunFilters() {
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355 SyncIoControl(hMonitor, SUPUSBFLT_IOCTL_RUN_FILTERS, null, 0, null, 0);
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356 }
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357
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358 static void initFilterFromDevice(ref USBFILTER aFilter, DeviceNode aDevice) {
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359 int mVid, mPid, mRev, mMi;
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360 WindowsUsbDeviceRegistry.DecodeDeviceIDs(aDevice, out mVid, out mPid, out mRev, out mMi);
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361 if (mVid != -1) aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_VENDOR_ID, (ushort)mVid, true);
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362 if (mPid != -1) aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_PRODUCT_ID, (ushort)mPid, true);
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363 if (mRev != -1) {
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364 int mRevBCD = (((mRev % 10) / 1) << 0) | (((mRev % 100) / 10) << 4) | (((mRev % 1000) / 100) << 8) | (((mRev % 10000) / 1000) << 12);
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365 aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_DEVICE_REV, (ushort)mRevBCD, true);
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366 }
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367 //aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_DEVICE_CLASS, 0xff, true);
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368 //aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_DEVICE_SUB_CLASS, 0x00, true);
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369 //aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_DEVICE_PROTOCOL, 0x00, true);
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370 //aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_PORT, 0, true);
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371 //aFilter.SetNumExact(USBFILTERIDX.USBFILTERIDX_BUS, 0, true);
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372 //if (pDev->pszSerialNumber) aFilter.SetStringExact(USBFILTERIDX.USBFILTERIDX_SERIAL_NUMBER_STR, pDev->pszSerialNumber, true);
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373 //if (pDev->pszProduct) aFilter.SetStringExact(USBFILTERIDX.USBFILTERIDX_PRODUCT_STR, pDev->pszProduct, true);
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374 //if (pDev->pszManufacturer) aFilter.SetStringExact(USBFILTERIDX.USBFILTERIDX_MANUFACTURER_STR, pDev->pszManufacturer, true);
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375 }
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376
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377 public unsafe static void Capture(DeviceNode aDevice) {
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378 InitMonitor();
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379 USBFILTER Filter = new USBFILTER(USBFILTERTYPE.USBFILTERTYPE_ONESHOT_CAPTURE);
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380 initFilterFromDevice(ref Filter, aDevice);
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381 IntPtr pvId = USBLibAddFilter(ref Filter);
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382 if (pvId == IntPtr.Zero) throw new Exception("Add one-shot Filter failed");
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383 USBLibRunFilters();
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384 //aDevice.Reenumerate(0);
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385 }
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386 public unsafe static void Release(DeviceNode aDevice) {
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387 InitMonitor();
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388 USBFILTER Filter = new USBFILTER(USBFILTERTYPE.USBFILTERTYPE_ONESHOT_IGNORE);
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389 initFilterFromDevice(ref Filter, aDevice);
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390 IntPtr pvId = USBLibAddFilter(ref Filter);
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391 if (pvId == IntPtr.Zero) throw new Exception("Add one-shot Filter failed");
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392 USBLibRunFilters();
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393 //aDevice.Reenumerate(0);
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394 }
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395 public static IUsbDeviceRegistry GetDeviceForDeviceNode(DeviceNode device) {
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396 String[] intfpath = device.GetInterfaces(new Guid(0x873fdf, 0xCAFE, 0x80EE, 0xaa, 0x5e, 0x0, 0xc0, 0x4f, 0xb1, 0x72, 0xb));
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397 if (intfpath == null || intfpath.Length == 0) return null;
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398 return new USBRegistry(device, intfpath[0]);
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399 }
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400
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401 SafeHandle hDev;
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402 Byte bInterfaceNumber;
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403
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404 public IUsbDeviceRegistry Registry { get; private set; }
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405
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406 internal unsafe VBoxUSB(USBRegistry devreg) {
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407 this.Registry = devreg;
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408 hDev = Kernel32.CreateFile(devreg.DevicePath, Kernel32.GENERIC_READ | Kernel32.GENERIC_WRITE, Kernel32.FILE_SHARE_WRITE | Kernel32.FILE_SHARE_READ, IntPtr.Zero, Kernel32.OPEN_EXISTING, Kernel32.FILE_ATTRIBUTE_SYSTEM | Kernel32.FILE_FLAG_OVERLAPPED, IntPtr.Zero);
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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409 if (hDev.IsInvalid) throw new Win32Exception(Marshal.GetLastWin32Error());
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410 try {
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411 USBSUP_VERSION version = new USBSUP_VERSION();
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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412 SyncIoControl(hDev, SUPUSB_IOCTL_GET_VERSION, null, 0, &version, sizeof(USBSUP_VERSION));
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413 if (version.u32Major != USBDRV_MAJOR_VERSION || version.u32Minor < USBDRV_MINOR_VERSION) throw new InvalidOperationException("Unsupported USBDRV version");
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414 USBSUP_CLAIMDEV claim = new USBSUP_CLAIMDEV() { bInterfaceNumber = 0 };
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415 SyncIoControl(hDev, SUPUSB_IOCTL_USB_CLAIM_DEVICE, &claim, sizeof(USBSUP_CLAIMDEV), &claim, sizeof(USBSUP_CLAIMDEV));
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416 if (claim.fClaimed == 0) throw new InvalidOperationException("Claim failed");
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417 } catch {
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418 hDev.Close();
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419 throw;
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420 }
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421 }
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422 public unsafe override void Close() {
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423 if (!hDev.IsInvalid && !hDev.IsClosed) {
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424 USBSUP_CLAIMDEV release = new USBSUP_CLAIMDEV() { bInterfaceNumber = bInterfaceNumber };
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425 SyncIoControl(hDev, SUPUSB_IOCTL_USB_RELEASE_DEVICE, &release, sizeof(USBSUP_CLAIMDEV), null, 0, false);
57
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426 }
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427 hDev.Close();
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428 }
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429
67
2d16447eff12 Simplified USB communication code, added functions to abort pipe transfers
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430 public unsafe override void PipeReset(byte endpoint) {
57
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431 USBSUP_CLEAR_ENDPOINT inp = new USBSUP_CLEAR_ENDPOINT() { bEndpoint = endpoint };
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432 SyncIoControl(hDev, SUPUSB_IOCTL_USB_CLEAR_ENDPOINT, &inp, sizeof(USBSUP_CLEAR_ENDPOINT), null, 0);
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433 }
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434 public unsafe override void PipeAbort(byte endpoint) {
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435 USBSUP_CLEAR_ENDPOINT inp = new USBSUP_CLEAR_ENDPOINT() { bEndpoint = endpoint };
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436 SyncIoControl(hDev, SUPUSB_IOCTL_USB_ABORT_ENDPOINT, &inp, sizeof(USBSUP_CLEAR_ENDPOINT), null, 0);
57
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437 }
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438
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439 public unsafe void ResetDevice() {
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440 SyncIoControl(hDev, SUPUSB_IOCTL_USB_RESET, null, 0, null, 0);
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441 }
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442
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443 public unsafe override byte Configuration {
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444 get { return base.Configuration; }
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445 set {
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446 USBSUP_SET_CONFIG inp = new USBSUP_SET_CONFIG() { bConfigurationValue = value };
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447 SyncIoControl(hDev, SUPUSB_IOCTL_USB_SET_CONFIG, &inp, sizeof(USBSUP_SET_CONFIG), null, 0);
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448 }
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449 }
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450
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451 private unsafe void HandleURB(USBSUP_URB* urb) {
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452 using (ManualResetEvent evt = new ManualResetEvent(false)) {
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453 NativeOverlapped overlapped = new NativeOverlapped();
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454 overlapped.EventHandle = evt.SafeWaitHandle.DangerousGetHandle();
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455 int size;
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456 if (Kernel32.DeviceIoControl(hDev, SUPUSB_IOCTL_SEND_URB, urb, sizeof(USBSUP_URB), urb, sizeof(USBSUP_URB), out size, &overlapped))
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457 return;
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458 int err = Marshal.GetLastWin32Error();
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459 if (err != 997) throw new Win32Exception(err);
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460 evt.WaitOne();
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461 if (!Kernel32.GetOverlappedResult(hDev, &overlapped, out size, false))
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462 throw new Win32Exception(Marshal.GetLastWin32Error());
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463 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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464 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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465
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466 private unsafe int BlockTransfer(USBSUP_TRANSFER_TYPE type, USBSUP_DIRECTION dir, USBSUP_XFER_FLAG flags, UInt32 ep, Byte[] buffer, int offset, int length) {
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
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diff changeset
467 if (offset < 0 || length < 0 || offset + length > buffer.Length) throw new ArgumentOutOfRangeException("length", "The specified offset and length exceed the buffer length");
57
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468 fixed (Byte* ptr = buffer) {
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469 USBSUP_URB urb = new USBSUP_URB();
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470 urb.type = type;
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471 urb.dir = dir;
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472 urb.flags = flags;
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473 urb.ep = ep;
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474 urb.len = (UIntPtr)length;
60
3424fa5a12c9 Updated Windows USB enumeration classes and VBoxUSB backend
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diff changeset
475 urb.buf = ptr + offset;
57
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476 HandleURB(&urb);
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477 return (int)urb.len;
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478 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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479 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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480
67
2d16447eff12 Simplified USB communication code, added functions to abort pipe transfers
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diff changeset
481 public override int PipeTransfer(byte endpoint, byte[] buffer, int offset, int length) {
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482 return BlockTransfer(USBSUP_TRANSFER_TYPE.USBSUP_TRANSFER_TYPE_BULK, (endpoint & 0x80) == 0 ? USBSUP_DIRECTION.USBSUP_DIRECTION_OUT : USBSUP_DIRECTION.USBSUP_DIRECTION_IN, USBSUP_XFER_FLAG.USBSUP_FLAG_NONE, endpoint, buffer, offset, length);
2d16447eff12 Simplified USB communication code, added functions to abort pipe transfers
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diff changeset
483 //return BlockTransfer(USBSUP_TRANSFER_TYPE.USBSUP_TRANSFER_TYPE_INTR, USBSUP_DIRECTION.USBSUP_DIRECTION_OUT, USBSUP_XFER_FLAG.USBSUP_FLAG_NONE, endpoint, buffer, offset, length);
57
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484 }
67
2d16447eff12 Simplified USB communication code, added functions to abort pipe transfers
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diff changeset
485 public override unsafe int ControlTransfer(UsbControlRequestType requestType, byte request, short value, short index, byte[] buffer, int offset, int length) {
57
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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486 Byte[] bigbuffer = new Byte[sizeof(UsbSetupPacket) + length];
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487 Boolean isout = (requestType & UsbControlRequestType.EndpointMask) == UsbControlRequestType.EndpointOut;
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488 if (isout && length > 0) Buffer.BlockCopy(buffer, offset, bigbuffer, sizeof(UsbSetupPacket), length);
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489 fixed (Byte* ptr = bigbuffer) *(UsbSetupPacket*)ptr = new UsbSetupPacket((Byte)requestType, request, value, index, (short)length);
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490 int dlen = BlockTransfer(USBSUP_TRANSFER_TYPE.USBSUP_TRANSFER_TYPE_MSG, isout ? USBSUP_DIRECTION.USBSUP_DIRECTION_OUT : USBSUP_DIRECTION.USBSUP_DIRECTION_IN, USBSUP_XFER_FLAG.USBSUP_FLAG_NONE, 0, bigbuffer, 0, bigbuffer.Length);
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491 dlen -= sizeof(UsbSetupPacket);
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492 if (dlen > length) dlen = length;
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493 if (dlen < 0) dlen = 0;
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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494 if (!isout) Buffer.BlockCopy(bigbuffer, sizeof(UsbSetupPacket), buffer, offset, dlen);
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495 return dlen;
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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496 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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497
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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498 public void ClaimInterface(int interfaceID) {
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499 bInterfaceNumber = (Byte)interfaceID;
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500 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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diff changeset
501
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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502 public void ReleaseInterface(int interfaceID) {
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503 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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diff changeset
504 }
b1efeada517e Added VirtualBox USB driver backend for direct USB communication
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505 }